.alert-mask {
  position: fixed;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  z-index: 1004;
  overflow: hidden;
  align-items: center;
  justify-content: center;
  transition: opacity 0.25s linear 0s;

  .alert {
    width: 590px;
    background: #FFFFFF;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.25s linear 0s;

    .title {
      padding: 0 40px;
      min-height: 192px;
      font-size: 32px;
      font-family: VarelaRound-Regular;
      color: rgba(103, 108, 117, 1);
      line-height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-bottom: 2px solid rgba(231, 232, 234, 1);
    }

    .button {
      min-height: 114px;
      font-size: 36px;
      font-family: PingFangSC-Medium;
      color: rgba(50, 205, 255, 1);
      line-height: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    &.show {
      transform: scale(1);
    }
    &.hidden {
      transform: scale(0);
    }
  }

  &.show {
    display: flex;
    opacity: 1;
  }

  &.hidden {
    display: none;
    opacity: 0;
  }
}